US 12,072,490 B2
Head-mounted display reducing carbon dioxide emission during thermal recycling
Yoshihiro Yoshimura, Matsumoto (JP)
Assigned to SEIKO EPSON CORPORATION, Tokyo (JP)
Filed by SEIKO EPSON CORPORATION, Tokyo (JP)
Filed on Feb. 23, 2023, as Appl. No. 18/173,091.
Claims priority of application No. 2022-028284 (JP), filed on Feb. 25, 2022.
Prior Publication US 2023/0273430 A1, Aug. 31, 2023
Int. Cl. G02B 27/01 (2006.01); G02B 6/42 (2006.01); G05D 23/19 (2006.01)
CPC G02B 27/017 (2013.01) [G02B 6/4212 (2013.01); G02B 6/4214 (2013.01); G05D 23/1904 (2013.01); G02B 2027/0178 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A head-mounted display, comprising:
a first image light output unit configured to output first image light;
a first light guiding unit configured to guide the first image light output by the first image light output unit;
a first optical member configured to reflect, to a predetermined first position, the first image light guided by the first light guiding unit;
a second image light output unit configured to output second image light;
a second light guiding unit positioned in line with the first light guiding unit in a first direction and configured to guide the second image light output by the second image light output unit; and
a second optical member configured to reflect, to a predetermined second position, the second image light guided by the second light guiding unit; and
a bridge portion provided so as to sandwich the first optical member between the first light guiding unit and the bridge portion, and to sandwich the second optical member between the second light guiding unit and the bridge portion, wherein
a part of the bridge portion is configured to transmit at least some of the first image light, a second part of the bridge portion is configured to transmit at least some of the second image light,
at least a third part of the bridge portion includes an environmental material,
wherein the third part of the bridge portion is between the part of the bridge portion and the second part of the bridge portion.